CELESTRAK

Downloadable simulation software for modeling artificial satellites in earth orbit; Downloadable written articles in the field of artificial satellite data; Downloadable video recordings featuring data on artificial satellites in earth orbit

Educational and entertainment services, namely, a continuing program about artificial satellites in earth orbit accessible by means of computer networks

Providing scientific information in the field of artificial satellites in earth orbit; Providing temporary use of online non-downloadable simulation software for modeling artificial satellites in earth orbit; Providing a website featuring technology that enables users to access, import, and use educational, scientific, commercial, and technical information in the field of scientific and technical data; providing on-line, non-downloadable computer software for the visualization of scientific and technical data; Providing scientific information in the field of artificial satellites in earth orbit